/* =========================================
   GENEL AYARLAR
========================================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f5f5f5;
    color: #111;
    line-height: 1.6;
}

a {
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}


/* =========================================
   RENKLER
========================================= */

:root {
    --ana-mavi: #3A318A;
    --koyu-mavi: #292365;

    --kirmizi: #C62828;
    --acik-kirmizi: #E53935;

    --siyah: #111111;
    --beyaz: #ffffff;

    --gri: #666666;
    --acik-gri: #f5f5f5;
    --border: #e5e5e5;
}


/* =========================================
   HEADER
========================================= */

header {
    width: 100%;
    background: #ffffff;
    position: sticky;
    top: 0;
    left: 0;
    z-index: 1000;

    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

nav {
    width: 100%;
    min-height: 95px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    padding: 10px 6%;
}


/* =========================================
   LOGO
========================================= */

.logo {
    display: flex;
    align-items: center;

    height: 75px;
}

.logo img {
    width: 250px;
    height: 95px;

    object-fit: contain;

    border-radius: 0;
}


/* =========================================
   MENÜ
========================================= */

.menu {
    display: flex;
    align-items: center;

    list-style: none;

    gap: 30px;
}

.menu li {
    list-style: none;
}

.menu li a {
    display: block;

    color: #111111;

    font-size: 20px;
    font-weight: 600;

    padding: 10px 5px;

    transition: 0.3s ease;
}

.menu li a:hover {
    color: var(--ana-mavi);
}

.menu li a.active {
    color: var(--ana-mavi);
}


/* =========================================
   ANA SAYFA - HERO
========================================= */

.hero {
    min-height: calc(100vh - 95px);

    background:
        linear-gradient(
            rgba(0, 0, 0, 0.40),
            rgba(0, 0, 0, 0.50)
        ),
        url("../images/hero.jpg.webp");

    background-size: 100% auto;
    background-repeat: no-repeat;
    background-position: center top;

    background-color: #111;

    display: flex;
    align-items: center;
    justify-content: center;

    text-align: center;

    color: white;

    padding: 40px 20px;
}
.hero-content {
    max-width: 900px;

    padding: 50px 40px;

    background: rgba(0, 0, 0, 0.32);

    border-left: 5px solid var(--ana-mavi);

    backdrop-filter: blur(3px);
}

.hero-label {
    display: inline-block;

    color: #ffffff;

    font-size: 18px;
    font-weight: bold;

    letter-spacing: 4px;

    margin-bottom: 15px;
}

.hero-content h1 {
    font-size: clamp(40px, 6vw, 72px);

    line-height: 1.1;

    margin-bottom: 20px;

    color: #ffffff;
}

.hero-content p {
    font-size: 21px;

    color: #eeeeee;

    margin-bottom: 25px;
}

.hero-services {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;

    gap: 12px;

    margin-bottom: 30px;
}

.hero-services span {
    font-size: 15px;
    font-weight: 600;

    color: #ffffff;

    padding: 7px 14px;

    border: 1px solid rgba(255, 255, 255, 0.45);
}

.hero-services span:not(:last-child)::after {
    content: "|";

    margin-left: 12px;

    color: var(--kirmizi);
}

.hero-button {
    display: inline-block;

    background: var(--ana-mavi);
    color: #ffffff;

    padding: 14px 28px;

    font-size: 16px;
    font-weight: bold;

    transition: 0.3s ease;
}

.hero-button:hover {
    background: var(--kirmizi);

    transform: translateY(-2px);
}


/* =========================================
   GENEL SAYFA
========================================= */

.page {
    min-height: 80vh;

    padding: 90px 8%;

    background: #ffffff;
}

.page h1 {
    color: var(--ana-mavi);

    font-size: 42px;

    margin-bottom: 40px;

    position: relative;
}

.page h1::after {
    content: "";

    display: block;

    width: 60px;
    height: 4px;

    background: var(--kirmizi);

    margin-top: 10px;
}


/* =========================================
   HİZMETLER
========================================= */

.service-list {
    display: grid;

    grid-template-columns:
        repeat(auto-fit, minmax(280px, 1fr));

    gap: 25px;
}

.service-card {
    background: #ffffff;

    padding: 35px;

    border: 1px solid var(--border);

    border-left: 5px solid var(--ana-mavi);

    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.06);

    transition: 0.3s ease;
}

.service-card:hover {
    background: var(--ana-mavi);

    transform: translateY(-6px);

    box-shadow: 0 12px 30px rgba(58, 49, 138, 0.2);
}

.service-card h3 {
    font-size: 24px;

    color: var(--ana-mavi);

    margin-bottom: 15px;
}

.service-card p {
    color: #666666;

    font-size: 16px;
}

.service-card:hover h3,
.service-card:hover p {
    color: #ffffff;
}


/* =========================================
   PROJELER
========================================= */

.project-grid {
    display: grid;

    grid-template-columns:
        repeat(auto-fit, minmax(280px, 1fr));

    gap: 30px;
}

.project-card {
    background: #ffffff;

    overflow: hidden;

    border: 1px solid #e5e5e5;

    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);

    transition: 0.3s ease;
}

.project-card:hover {
    transform: translateY(-7px);

    border-bottom: 4px solid var(--kirmizi);

    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.13);
}

.project-image {
    width: 100%;

    height: 250px;

    object-fit: cover;

    cursor: pointer;

    transition: 0.4s ease;
}

.project-card:hover .project-image {
    transform: scale(1.04);
}

.project-info {
    padding: 22px;
}

.project-info h3 {
    color: var(--ana-mavi);

    font-size: 22px;

    margin-bottom: 8px;
}

.project-info p {
    color: #666666;

    font-size: 15px;
}


/* =========================================
   LIGHTBOX
========================================= */

.lightbox {
    position: fixed;
    inset: 0;

    width: 100%;
    height: 100%;

    background: rgba(0, 0, 0, 0.94);

    display: none;

    align-items: center;
    justify-content: center;

    z-index: 9999;
}

/* JS "show" classını ekliyor */
.lightbox.show {
    display: flex;
}

.lightbox-image {
    max-width: 90%;
    max-height: 90vh;

    width: auto;
    height: auto;

    object-fit: contain;

    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);

    user-select: none;
}


/* KAPATMA */

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;

    border: none;

    background: rgba(255, 255, 255, 0.12);

    color: white;

    cursor: pointer;

    transition: 0.3s ease;

    z-index: 10000;
}

.lightbox-close {
    top: 25px;
    right: 35px;

    width: 50px;
    height: 50px;

    font-size: 38px;
}

.lightbox-prev,
.lightbox-next {
    top: 50%;

    transform: translateY(-50%);

    width: 55px;
    height: 65px;

    font-size: 32px;
}

.lightbox-prev {
    left: 25px;
}

.lightbox-next {
    right: 25px;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--kirmizi);
    color: white;
}


/* MOBİL */

@media (max-width: 768px) {

    .lightbox-image {
        max-width: 92%;
        max-height: 80vh;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }

    .lightbox-close {
        top: 15px;
        right: 15px;

        width: 45px;
        height: 45px;

        font-size: 32px;
    }
}

/* =========================================
   HAKKIMIZDA - HERO
========================================= */

.about-hero {
    min-height: 420px;

    background:
        linear-gradient(
            rgba(0, 0, 0, 0.58),
            rgba(0, 0, 0, 0.62)
        ),
        url("../images/hero.jpg.webp");

    background-size: cover;
    background-position: center;

    display: flex;

    align-items: center;
    justify-content: center;

    text-align: center;

    color: white;

    padding: 50px 20px;
}

.about-hero-content {
    max-width: 800px;
}

.about-hero-content span {
    display: block;

    color: #ffffff;

    font-size: 16px;

    font-weight: bold;

    letter-spacing: 4px;

    margin-bottom: 15px;
}

.about-hero-content h1 {
    font-size: 58px;

    margin-bottom: 20px;
}

.about-hero-content p {
    font-size: 19px;

    color: #eeeeee;
}


/* =========================================
   HAKKIMIZDA BÖLÜMÜ
========================================= */

.about-section {
    background: #ffffff;

    padding: 100px 8%;
}

.about-container {
    max-width: 1200px;

    margin: auto;

    display: grid;

    grid-template-columns: 2fr 1fr;

    gap: 80px;

    align-items: center;
}

.section-label {
    display: inline-block;

    color: var(--ana-mavi);

    font-size: 14px;

    font-weight: bold;

    letter-spacing: 3px;

    margin-bottom: 12px;
}

.about-text h2 {
    font-size: 45px;

    line-height: 1.15;

    margin-bottom: 30px;

    color: #111111;
}

.about-text h2 strong {
    color: var(--ana-mavi);
}

.about-text p {
    color: #555555;

    font-size: 17px;

    margin-bottom: 18px;
}

.about-year {
    display: flex;

    justify-content: center;
}

.year-box {
    width: 260px;
    height: 260px;

    display: flex;

    flex-direction: column;

    align-items: center;
    justify-content: center;

    background: #f5f5f5;

    border: 1px solid #e5e5e5;

    box-shadow: 18px 18px 0 var(--kirmizi);
}

.year-number {
    font-size: 65px;

    font-weight: bold;

    line-height: 1;

    color: var(--ana-mavi);
}

.year-text {
    margin-top: 15px;

    text-align: center;

    color: #555555;

    font-size: 17px;

    font-weight: 600;
}


/* =========================================
   DEĞERLER
========================================= */

.values-section {
    background: #f5f5f5;

    padding: 100px 8%;
}

.section-heading {
    max-width: 700px;

    margin: 0 auto 50px;

    text-align: center;
}

.section-heading h2 {
    font-size: 40px;

    margin-bottom: 15px;
}

.section-heading p {
    color: #666666;

    font-size: 17px;
}

.values-grid {
    max-width: 1200px;

    margin: auto;

    display: grid;

    grid-template-columns:
        repeat(4, 1fr);

    gap: 25px;
}

.value-card {
    background: #ffffff;

    padding: 35px 25px;

    border: 1px solid #e5e5e5;

    transition: 0.3s ease;
}

.value-card:hover {
    transform: translateY(-6px);

    border-color: var(--ana-mavi);

    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.08);
}

.value-icon {
    width: 50px;
    height: 50px;

    display: flex;

    align-items: center;
    justify-content: center;

    background: var(--ana-mavi);

    color: white;

    font-weight: bold;

    margin-bottom: 20px;
}

.value-card h3 {
    font-size: 23px;

    margin-bottom: 10px;

    color: #111111;
}

.value-card p {
    color: #666666;

    font-size: 15px;
}


/* =========================================
   KENTSEL DÖNÜŞÜM
========================================= */

.transformation-section {
    padding: 100px 8%;

    background:
        linear-gradient(
            rgba(0, 0, 0, 0.65),
            rgba(0, 0, 0, 0.7)
        ),
        url("../images/hero.jpg.webp");

    background-size: cover;
    background-position: center;

    color: white;
}

.transformation-container {
    max-width: 1200px;

    margin: auto;
}

.transformation-content {
    max-width: 700px;
}

.transformation-content h2 {
    font-size: 45px;

    line-height: 1.2;

    margin-bottom: 25px;
}

.transformation-content h2 strong {
    color: #ffffff;
}

.transformation-content p {
    font-size: 17px;

    color: #eeeeee;

    margin-bottom: 18px;
}

.about-button {
    display: inline-block;

    margin-top: 15px;

    padding: 14px 25px;

    background: var(--ana-mavi);

    color: white;

    font-weight: bold;

    transition: 0.3s ease;
}

.about-button:hover {
    background: var(--kirmizi);
}


/* =========================================
   İLETİŞİM - HERO
========================================= */

.contact-hero {
    min-height: 400px;

    background:
        linear-gradient(
            rgba(0, 0, 0, 0.58),
            rgba(0, 0, 0, 0.63)
        ),
        url("../images/hero.jpg.webp");

    background-size: cover;
    background-position: center;

    display: flex;

    align-items: center;
    justify-content: center;

    text-align: center;

    color: white;

    padding: 50px 20px;
}

.contact-hero-content {
    max-width: 800px;
}

.contact-hero-content span {
    font-size: 16px;

    font-weight: bold;

    letter-spacing: 4px;

    margin-bottom: 15px;

    display: block;
}

.contact-hero-content h1 {
    font-size: 58px;

    margin-bottom: 15px;
}

.contact-hero-content p {
    font-size: 19px;

    color: #eeeeee;
}


/* =========================================
   İLETİŞİM
========================================= */

.contact-section {
    padding: 100px 8%;

    background: #ffffff;
}

.contact-container {
    max-width: 1200px;

    margin: auto;

    display: grid;

    grid-template-columns: 1.4fr 1fr;

    gap: 80px;

    align-items: center;
}

.contact-label {
    display: inline-block;

    color: var(--ana-mavi);

    font-size: 14px;

    font-weight: bold;

    letter-spacing: 3px;

    margin-bottom: 12px;
}

.contact-info h2 {
    font-size: 45px;

    line-height: 1.15;

    margin-bottom: 20px;
}

.contact-info h2 strong {
    color: var(--ana-mavi);
}

.contact-description {
    color: #666666;

    font-size: 17px;

    margin-bottom: 35px;

    max-width: 650px;
}

.contact-item {
    display: flex;

    align-items: flex-start;

    gap: 18px;

    margin-bottom: 28px;
}

.contact-icon {
    flex-shrink: 0;

    width: 48px;
    height: 48px;

    display: flex;

    align-items: center;
    justify-content: center;

    background: var(--ana-mavi);

    color: white;

    font-size: 20px;

    font-weight: bold;
}

.contact-item span {
    display: block;

    color: var(--ana-mavi);

    font-size: 12px;

    font-weight: bold;

    letter-spacing: 2px;

    margin-bottom: 4px;
}

.contact-item p {
    color: #444444;

    font-size: 16px;
}

.contact-item a {
    color: #444444;

    transition: 0.3s ease;
}

.contact-item a:hover {
    color: var(--kirmizi);
}


/* =========================================
   İLETİŞİM KARTI
========================================= */

.contact-card {
    background: #f5f5f5;

    padding: 50px;

    border: 1px solid #e5e5e5;

    box-shadow: 18px 18px 0 var(--kirmizi);
}

.contact-card > span {
    color: var(--ana-mavi);

    font-size: 14px;

    font-weight: bold;

    letter-spacing: 3px;
}

.contact-card h3 {
    font-size: 32px;

    line-height: 1.2;

    margin: 20px 0 15px;
}

.contact-card p {
    color: #666666;

    margin-bottom: 30px;
}

.contact-button {
    display: block;

    text-align: center;

    background: var(--ana-mavi);

    color: white;

    padding: 14px 20px;

    margin-bottom: 12px;

    font-weight: bold;

    transition: 0.3s ease;
}

.contact-button:hover {
    background: var(--kirmizi);
}

.contact-button-dark {
    background: #111111;
}

.contact-button-dark:hover {
    background: var(--kirmizi);
}


/* =========================================
   ŞİRKET ÜNVANI
========================================= */

.company-name-section {
    padding: 70px 8%;

    background: var(--ana-mavi);

    color: white;

    text-align: center;
}

.company-name-section span {
    display: block;

    color: #ffffff;

    font-size: 13px;

    font-weight: bold;

    letter-spacing: 3px;

    margin-bottom: 12px;
}

.company-name-section h2 {
    font-size: 25px;

    max-width: 900px;

    margin: auto;
}


/* =========================================
   KIRMIZI DETAYLAR
========================================= */

.about-button::before,
.hero-button::before {
    content: "";
}

.page h1::after {
    background: var(--kirmizi);
}

.project-card:hover {
    border-bottom-color: var(--kirmizi);
}


/* =========================================
   MOBİL
========================================= */

@media (max-width: 1000px) {

    nav {
        padding: 10px 4%;
    }

    .menu {
        gap: 18px;
    }

    .menu li a {
        font-size: 17px;
    }

    .logo img {
        width: 160px;
        height: 70px;
    }

    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-container {
        grid-template-columns: 1fr;

        gap: 50px;
    }

    .contact-container {
        grid-template-columns: 1fr;

        gap: 50px;
    }
}


@media (max-width: 768px) {

    header {
        position: relative;
    }

    nav {
        min-height: 80px;

        flex-direction: column;

        gap: 10px;

        padding: 12px 20px;
    }

    .logo {
        height: 65px;
    }

    .logo img {
        width: 170px;
        height: 65px;
    }

    .menu {
        width: 100%;

        justify-content: center;

        flex-wrap: wrap;

        gap: 5px 15px;
    }

    .menu li a {
        font-size: 15px;

        padding: 5px 3px;
    }


    /* HERO */

    .hero {
        min-height: 700px;
    }

    .hero-content {
        padding: 35px 20px;
    }

    .hero-content h1 {
        font-size: 40px;
    }

    .hero-content p {
        font-size: 17px;
    }

    .hero-services {
        flex-direction: column;

        gap: 5px;
    }

    .hero-services span:not(:last-child)::after {
        display: none;
    }


    /* GENEL SAYFA */

    .page {
        padding: 60px 6%;
    }

    .page h1 {
        font-size: 35px;
    }


    /* HAKKIMIZDA */

    .about-section,
    .values-section,
    .transformation-section,
    .contact-section {
        padding: 70px 6%;
    }

    .about-hero,
    .contact-hero {
        min-height: 350px;
    }

    .about-hero-content h1,
    .contact-hero-content h1 {
        font-size: 42px;
    }

    .about-text h2,
    .transformation-content h2,
    .contact-info h2 {
        font-size: 35px;
    }

    .values-grid {
        grid-template-columns: 1fr;
    }


    /* PROJELER */

    .project-grid {
        grid-template-columns: 1fr;
    }

    .project-image {
        height: 260px;
    }


    /* LIGHTBOX */

    .lightbox-image {
        max-width: 92%;
        max-height: 75vh;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }

    .lightbox-close {
        top: 15px;
        right: 15px;
    }


    /* İLETİŞİM */

    .contact-card {
        padding: 35px 25px;

        box-shadow: 10px 10px 0 var(--kirmizi);
    }

    .company-name-section h2 {
        font-size: 19px;
    }
}


@media (max-width: 480px) {

    .menu {
        gap: 3px 10px;
    }

    .menu li a {
        font-size: 14px;
    }

    .hero-content h1 {
        font-size: 34px;
    }

    .hero-label {
        font-size: 14px;
    }

    .hero-button {
        width: 100%;
    }

    .year-box {
        width: 220px;
        height: 220px;
    }

    .year-number {
        font-size: 52px;
    }

    .contact-item {
        gap: 12px;
    }

    .contact-icon {
        width: 42px;
        height: 42px;
    }
}